參數(shù)資料
型號： LV4901H
元件分類： 音頻／視頻放大
英文描述： 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
封裝： 0.375 INCH, HSOP-36
文件頁數(shù)： 7/14頁
文件大?。?/td> 175K
代理商： LV4901H
LV4901H
No.A0098-2/14
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VD
Externally applied voltage
14
V
Maximum output current
IO peak
3.5
A/ch
Allowable power dissipation
Pd max
Independent package
886
mW
Operating temperature
Topr
-25 to +75
°C
Storage temperature
Tstg
-50 to +150
°C
Recommended Operating Conditions at Ta = 25
°C
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Recommended supply voltage range
VD
Externally applied voltage
10
12
13.5
V
RL (SP)
Speaker load
4
8
Recommended load resistance
RL (HP)
Headphone
16
Electrical Characteristics at Ta = 25
°C
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Digital amplifier block : VD = 12V, RL = 8, L = 22H, C = 0.33F, CL = 1F
Standby current
Ist
STBY = L, MUTE = L
13
25
A
Mute current
Imute
STBY = H, MUTE = L
13
20
mA
Quiescent current
ICCO
STBY = H, MUTE = H
60
70
mA
Voltage gain
VG
fin = 1kHz, VO = 0dBm
27
29
31
dB
Output offset voltage
Voffset
Rg = 0
-150
150
mV
Total harmonic distortion
THD@1W
PO = 1W, fin = 1kHz, AES17
0.2
0.8
%
Maximum output
PO1@10%
THD+N = 10%, AES17
8
10
W
Channel separation
CH sep.
fin = 1kHz, VO = 0dBm, Rg = 0, DIN AUDIO
55
70
dB
Ripple rejection ratio
SVRR
fr = 100Hz, Vr = 0dBm, Rg = 0, A-weight
35
50
dB
Noise
VNO
Rg = 0, A-weight
200
500
Vrms
High-level input voltage
VIH
STBY pin and MUTE pin
3
V
Low-level input voltage
VIL
STBY pin and MUTE pin
1
V
Power supply voltage drop protection
circuit upper limit value
UV_UPPER
VD pin voltage monitor
8.0
V
Power supply voltage drop protection
circuit lower limit value
UV_LOWER
VD pin voltage monitor
7.0
V
Headphone amplifier block : VD = 12V, RL = 16, fin = 1kHz
Quiescent current
ICCOhp
HP_STBY = H
5.5
9.5
mA
Voltage gain
VG
VO = -10dBm
10
12
14
dB
Total harmonic distortion
THD
PO = 1mW, DIN AUDIO
0.25
0.8
%
Maximum output
PO
THD = 10%, DIN AUDIO
60
80
mW
Channel separation
CH sep.
fin = 1kHz, Vr = 0dBm, Rg = 0, DIN AUDIO
35
45
dB
Ripple rejection ratio
SVRR
fr = 100Hz, Vr = 0dBm, Rg = 0, DIN AUDIO
55
70
dB
High-level input voltage
VIH
HP_STBY pin
3
V
Low-level input voltage
VIL
HP_STBY pin
1
V
Noise
VNO
Rg = 0
, DIN AUDIO
50
200
Vrms
Note : The values of these characteristics were measured in the SANYO test environment. The actual values in an end system will vary depending on the
printed circuit board pattern, the external components actually used, and other factors.
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